- Municipal Airport "Chico"
- Airport "Chicken"
- Airport "Chester County G. O. Carlson"
- Airport "Cherry Capital"
- Airport "Cherokee County"
- Airport "Chena Hot Springs"
- Airport "Punta Gorda"
- International Airport "Charleston"
- Airport "Central Wisconsin"
- Regional airport "Central Illinois at Bloomington-Normal"
- Airport "Castle"
- Airport Coast Guard Station "Casco Cove"